Thank you for viewing. This is a "BOSE speaker mini emblem." It is made of aluminum and measures approximately 2mm in height, 3.5cm in width, and 1mm in thickness. It comes as a set of four with double-sided tape. ※The installation example (image 3) is for an emblem from another company. (Can be used for things other than speakers) 【Shipping】 We will ship via "Yu-Packet Post mini." It will take 2-5 days to arrive after shipping. We will cover the shipping costs. (Post-in/Tracking available/Anonymous shipping/Warranty included/Delivery on weekends and holidays)